.mask {
  position: fixed;
  left: 0;
  top: 0;
  width: 100%;
  height: 100%;
  background: rgba(0, 0, 0, 0.8);
  .content {
    position: absolute;
    left: 0;
    top: 0;
    right: 0;
    bottom: 0;
    margin: auto;
    min-width: 400px;
    min-height: 200px;
    background: white;
    border-radius: 20px;
    overflow: hidden;
    padding: 15px;
    h3 {
      width: 100%;
      height: 30px;
      line-height: 30px;
      font-size: 18px;
    }
    .wrapper {
      width: 100%;
    }
  }
  .btns_box {
    position: absolute;
    right: 10px;
    bottom: 10px;
    button {
      margin-right: 10px;
    }
  }
}
